/*
 *   
 *
 * Copyright  1990-2009 Sun Microsystems, Inc. All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 only, as published by the Free Software Foundation.
 * 
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License version 2 for more details (a copy is
 * included at /legal/license.txt).
 * 
 * You should have received a copy of the GNU General Public License
 * version 2 along with this work; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 * 
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 or visit www.sun.com if you need additional
 * information or have any questions.
 */

// Interface to com.sun.cldc.util.Semaphore objects

#if ENABLE_SEMAPHORE
class Semaphore: public Instance {
public:
  HANDLE_DEFINITION(Semaphore, Instance);

  static int lock_offset() {
    return header_size() + 0 * sizeof(jint);
  }

  ReturnOop lock() {
    return obj_field(lock_offset());
  }

  static void verify_fields() PRODUCT_RETURN;
};

// Interface to com.sun.cldc.util.SemaphoreLock objects

class SemaphoreLock: public Instance {
public:
  HANDLE_DEFINITION(SemaphoreLock, Instance);

  static int permits_offset() {
    return header_size() + 0 * sizeof(jint);
  }

  jint permits() {
    return int_field(permits_offset());
  }

  void set_permits(int value) {
    int_field_put(permits_offset(), value);
  }

  static void verify_fields() PRODUCT_RETURN;

  void acquire();
  void release();
};
#endif
